API Threading Chasers, Carbide Inserts for Tube Machining, Bar Peeling Inserts manufacturer / supplier in China, offering Drilling-Indexable Drill Inserts-Spade Drill Inserts-Sp-34-50xh, Head-Exchangeable Drills-Drill Body-Qd140-149-16-12D-Ca, Heavy Duty Milling-Indexable Carbide Inserts-Sncx1507-2r3.25 and so on.